Alignment and assembly tool for very large diameter cylinders

Details Alignment and assembly tool for very large diameter cylinders Alignment and assembly tool for very large diameter cylinders

1987-03-12

1987-11-24

Schmidt, Frederick R.

Work holders

Plural holders to hold workpieces relative to each other

Workpieces parallel to each other

269 71, 269 73, B25B 120

Patent

active

047083301

ABSTRACT:
An alignment and assembly tool 10 is disclosed for aligning the ends of two very large cylinders 36 and 38 so that the ends may be welded together, with a cylindrical strengthening section (tee ring) 18 inserted between the cylinders and aligned and welded into the joint. The tool 10 has a U-shaped main body 11 with a horizontal top section 13 and two legs 15, which are attached to the ends of top section 13 and extend outward and downward. Horizontal bottom sections 12 extend outward from the bottoms 14 of legs 15. Tool 10 has one inner jackscrew 20 and one outer jackscrew 22 on each side of its center, extending downward from top section 13. Each of the two bottom sections 12 has an attached side clamp 24 for clamping the alignment tool 10 to two opposing skin stringers 26 of cylinders 36 and 38. The jackscrews 20 and 22 are adjusted to bring the edges of tee ring 18 into precise alignment with the ends of the two large cylinders 36 and 38 so that both joints 51 and 53 may be welded around their full circumference.

REFERENCES:
patent: 1580627 (1926-04-01), Peterson
patent: 1600835 (1926-09-01), Manley
patent: 1916556 (1933-07-01), Butt
patent: 3467295 (1969-09-01), Watson
patent: 3578233 (1971-05-01), Meister
patent: 3619891 (1971-11-01), Harrison
patent: 3666159 (1972-05-01), Watson
patent: 3722038 (1973-03-01), Arntz et al.
patent: 3837060 (1974-09-01), Stehling
patent: 3898714 (1975-08-01), McFadden
patent: 3952936 (1976-04-01), Dearman
patent: 4054984 (1977-10-01), Ball et al.
patent: 4195828 (1980-04-01), Peterson
patent: 4356615 (1982-11-01), Dearman

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